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all says that we can't use zn con HCl to reduce alcohol. can anyone explain this with the mechanism or with explanations

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  • $\begingroup$ I think we can because when reducing aldehyde or ketone, In mechanism alcohol is formed which further reduces to give hydrocarbons. $\endgroup$ – Vaibhav Dec 26 '15 at 1:38
  • $\begingroup$ but some peoples say that alcohol is not formed as an intermediate in this reaction $\endgroup$ – lara Dec 26 '15 at 1:41
  • $\begingroup$ I have answered with mechanism. Take a look at that $\endgroup$ – Vaibhav Dec 26 '15 at 1:49
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Here is the mechanism for reduction of aldehyde/ketone by clemmenson reduction.

enter image description here

Note that alcohol is formed as intermediate which further reduces. Considering that alcohol can be reduced by Zn/HCl

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